Organo-sulfur compounds as high temperature antifoulants

Details Organo-sulfur compounds as high temperature antifoulants Organo-sulfur compounds as high temperature antifoulants

1977-07-05

1978-09-26

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

203 8, 203 58, 208106, 208264, 252 45, 252 77, 252406, 260 457S, 260327C, C10G 916, C08K 536, C10C 718

Patent

active

041168127

ABSTRACT:
This invention relates to a process of inhibiting or preventing fouling (i.e., preventing the adhesion of deposits from hydrocarbon on surfaces) at elevated temperatures which comprises adding to hydrocarbon an antifouling (preventing) amount of an organo-sulfur compounds having a high sulfur content. In the preferred embodiment, the organo-sulfur compound has at least 5% sulfur. An embodiment is a heterocyclic compound, a dithiole-thione. These organo sulfur compounds are particularly effective at elevated temperatures of at least about 500.degree. F.

REFERENCES:
patent: 2129693 (1938-09-01), Houdry
patent: 3197396 (1965-07-01), Stedman
patent: 3407240 (1968-10-01), Sakashita et al.

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